shimano bb-mt800 68/73mm english thread cups bottom bracket

Genuine Shimano hollowtech ii bottom bracket assembly.Features:Set includes left and right hand cups, spacers, inner cover, and inner o-ringsLight weight seal structure helps to remove vital gramsSealed cups keep out dirt and waterMaintenance freeCompatible with 68 mm and 73 mm shellDurable anodised finishEasy installation with tl-fc25 tool